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Macroinvertebrate Communities in the ‘Wild & Scenic’ Reach of the Loxahatchee River Loxahatchee River Watershed Science Symposium February 2001 Richard.

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Presentation on theme: "Macroinvertebrate Communities in the ‘Wild & Scenic’ Reach of the Loxahatchee River Loxahatchee River Watershed Science Symposium February 2001 Richard."— Presentation transcript:

1 Macroinvertebrate Communities in the ‘Wild & Scenic’ Reach of the Loxahatchee River Loxahatchee River Watershed Science Symposium February 2001 Richard C. Dent, Mary S. Ridler and Lorene Bachman Loxahatchee River District

2 Figure #2 : Comparison of General Taxonomic Composition, Station #67 & Station #

3 Figure #3 : Relative Presence of General Taxonomic Groups at Biological Sampling Station # Total Species Identified

4 Figure #4 : Relative Presence of General Taxonomic Groups at Biological Sampling Station # Total Species Identified

5 Major Taxonomic Groups Mean Number and Observation Frequency

6 Most Frequently Observed Genera

7 Figure #5 : Temporal Trends for Select Metrics at Station #67 Time Metric value

8 Figure #6 : Temporal Trends for Select Indices at Station #67 time Index value

9 Figure #7 : Temporal Trends for Selected Metrics at Station #69 Metric value

10 Figure #8 : Temporal Trends for Select Indices at Station #69 Index value

11 Figure #9 : River Flow at Station #69 During Sampling Events time Flow in cfs

12 Figure #10 : Relative Presence of Functional Feeding Groups at Sta. #67

13 Figure #11 : Relative Presence of Functional Feeding Groups at Sta. #69

14 Figure #13 : Comparison of Analytical Results at Station #69 value

15 Figure #12 : Comparison of Analytical Results at Station #67 Value

16 Figure #14 : Comparison of Select Metrics for Two Related Sites Sampled Concurrently in 1992, 1993 and 1994 value

17 Typical Water Quality Conditions at Monitoring Stations #67 #69 pH value Alkalinity Color Dissolved Oxygen Total Nitrogen Total Phosphorus Fecal Coliform Bact Fla. W.Q. Index 40 46

18 Synopsis of General Taxonomic Conditions


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